What's Wrong with Multi-Level Marketing? 
Provides an in-depth analysis of MLM and areas to be avoided. Includes links to anti-MLM research and information.
http://www.vandruff.com/mlm.htmlWomen Empowering Women, a Pyramid Gifting Scheme
Site details the pyramid gifting scheme operating in Massena, NY, also known in other cities as the Women Empowerment Network or as The Dinner Club.
http://hometown.aol.com/massenapyramid/myhomepage/business.html
Shaking the Money Tree
Online article by Ami Shen Lee exposes the pitfalls of multilevel marketing.
http://www.metroactive.com/papers/metro/10.03.96/cover/multilevel-9640.html
Business Opportunities: Consumer Information
Federal Trade Commission site with tips on how to avoid scams. Most files are in PDF.
http://www.ftc.gov/bcp/conline/edcams/bizopps/coninfo.html
